A child sits on a swing supported by ropes of length 4.0 m. With what frequency will she need to apply the driving force to maintain swinging?
A) 0.29 Hz
B) 0.48 Hz
C) 0.25 Hz
D) 0.38 Hz

Question

Quizplus · Accepted Answer

The frequency of a simple pendulum is given by the formula f = (1/2π) * √(g/L), where g is the acceleration due to gravity (approximately 9.8 m/s²) and L is the length of the pendulum (4.0 m). Plugging in these values, the frequency is approximately 0.25 Hz.

A Child Sits on a Swing Supported by Ropes of Length